Home / 12,030.09-16,601.90-6,725.13

Finding the Fourth Proportional to 12,030.09, 16,601.90 and 6,725.13

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Solution

The fourth proportional to 12,030.09, 16,601.90 and 6,725.13 is: 9,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.09 : 16,601.90 = 6,725.13 : x
  2. Step 2: Convert to fraction form
    12,030.09/16,601.90 = 6,725.13/x
  3. Step 3: Cross multiply
    12,030.09x = 16,601.90 × 6,725.13
  4. Step 4: Simplify right side
    12,030.09x = 111,649,902.12
  5. Step 5: Solve for x
    x = 111,649,902.12/12,030.09
  6. Step 6: Final answer
    x = 9,280.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.